.code_demo{
    background-color: #fff;
    margin: 0 0 16px;
    border: 1px solid rgba(0,0,0,.06);
}

.demo{
    padding: 32px 24px 30px;
    color: #000000d9;
    border-bottom: 1px solid rgba(0,0,0,.06);
}

.mete{
    position: relative;
    border-bottom: 1px dashed rgba(0,0,0,.06);
}

.code_title{
    position: absolute;
    top: -14px;
    margin-left: 16px;
    padding: 1px 8px;
}

.code_description{
    padding: 18px 24px 12px
}

.tool{
    display: flex;
    justify-content: center;
    padding: 12px 0;
    border-top: 1px dashed rgba(0,0,0,.06);
    opacity: .7;
    transition: opacity .3s;
}
.tool_box{
    width: 16px;
    height: 16px;
    color: #00000073;
    cursor: pointer;
    transition: all .24s;
    display: flex;
    align-items: center;
    margin: 0 8px;
}
.tool_box img{
    width: 100%;
    height: 100%;
}
.code_wrapper{

}